Content Sheet 1-1: The Importance of Laboratory Quality

Introduction Overview of the Quality System Module 1 Content Sheet 1 Content Sheet 1-1: The Importance of Laboratory Quality Definition of Quality Laboratory Quality can be defined as accuracy, reliability, and timeliness of the reported test results. The Laboratory results must be as accurate as possible, all aspects of the Laboratory operations must be reliable, and reporting must be timely in order to be useful in a clinical or public health setting. Level of accuracy required When making measurements, there is always some level of inaccuracy. The challenge is to reduce the level of inaccuracy as much as possible, given the limitations of our testing systems. An accuracy level of 99% may at first glance appear acceptable, but the resulting 1% error can become quite large in a system where many events occur, such as Laboratory testing.

blocks for quality management. Each must be addressed if overall laboratory quality improvement is to be achieved. This quality management system model was developed by CLSI 1, and is fully compatible with ISO standards.2,3 Assuring accuracy and reliability throughout the Path of Workflow depends on good management of all of the quality essentials.

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